Question

starting from rest a body moving at constant acceleration of 4m/s^2 attains a velocity of 16m/s . the displacement of body is

Answer 1

Explanation:

Initial velocity, u = 0

Final velocity, v = 16m/sec

Acceleration, a = 4m/sec square

Displacement, s =??

From third equation of motion we can find displacement , s

2as= v^2-u^2

2*4*s= 4^2- 0^2

s= v^2-u^2/ 2a

s= 16^2-0^2/ 2* 4

16*16/2*4

32m